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Inventor profile of:

Bert Klesczewski

City:

Koln

Country:

Germany

Published Applications:

Last publication date:

2020-12-31

Top Assignees for applications by Bert Klesczewski

The entities that hold a legal rights for patent applications filed by inventor Klesczewski Bert:

Covestro Deutschland AG 9 Leverkusen, Germany
BAYER MATERIALSCIENCE AG 7 Leverkusen, Germany
Bayer Intellectual Property GmbH 3 Monheim, Germany
Bater Intellectual Property GmbH 1 Monheim, Germany
Bayer MaterialScience AG 1 Monheim Am Rhein, Germany
Bayer MaterialScience AG 1 , Germany

Recent patent applications by Klesczewski Bert

Bert Klesczewski from Koln, DE has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2020-12-31

US20200407500A1

Chemistry; metallurgy

Flame retardant soft ether foams

#2 | 2019-01-03

US20190002634A1

Chemistry; metallurgy

Process for the preparation of polyether polyols

#3 | 2018-11-15

US20180327537A1

Chemistry; metallurgy

POLYURETHANE FOAMS BASED ON POLYETHER CARBONATE POLYOLS

#4 | 2018-11-01

US20180312632A1

Chemistry; metallurgy

Use of alcohols containing at least two urethane groups for preparation of polyether polyols

#5 | 2018-10-11

US20180291149A1

Chemistry; metallurgy

Use of alcohols which contain at least two urethane groups for producing polyether carbonate polyols

#6 | 2018-09-27

US20180273674A1

Chemistry; metallurgy

Polyurethane foams based on polyethercarbonate polyols

#7 | 2018-09-20

US20180265623A1

Chemistry; metallurgy

POLYURETHANE FOAMS BASED ON POLYETHER CARBONATE POLYOLS

#8 | 2018-08-09

US20180223030A1

Chemistry; metallurgy

METHOD FOR PRODUCING FLEXIBLE POLYESTER URETHANE FOAMS WITH INCREASED COMPRESSIVE STRENGTH

#9 | 2018-02-15

US20180044464A1

Chemistry; metallurgy

VISCOELASTIC FLEXIBLE POLYURETHANE FOAMS BASED ON POLYETHER CARBONATE POLYOLS

#10 | 2017-02-16

US20170044341A1

Chemistry; metallurgy

Polyurethane foams based on polyether carbonate polyols

#11 | 2016-11-03

US20160319070A1

Chemistry; metallurgy

Use of urethane alcohols for preparing polyether carbonate polyols

#12 | 2016-10-13

US20160297919A1

Chemistry; metallurgy

Mixtures of polyether carbonate polyols and polyether polyols for producing polyurethane soft foams

#13 | 2016-09-15

US20160264519A1

Chemistry; metallurgy

Use of urethane alcohols for preparation of polyether polyols

#14 | 2016-09-08

US20160257776A1

Chemistry; metallurgy

METHOD FOR PRODUCING FLEXIBLE POLYURETHANE FOAM MATERIALS

#15 | 2015-10-22

US20150299373A1

Chemistry; metallurgy

METHOD FOR PRODUCING SOFT POLYURETHANE FOAM BASED ON POLYESTER POLYOLS

#16 | 2015-05-21

US20150141542A1

Chemistry; metallurgy

METHOD FOR PRODUCING FLAME-PROTECTED POLYURETHANE FOAMS HAVING LOW BULK DENSITIES

#17 | 2014-11-06

US20140329985A1

Chemistry; metallurgy

METHOD FOR PRODUCING POLYETHER ESTER POLYOLS

#18 | 2014-04-17

US20140107245A1

Chemistry; metallurgy

PROCESS FOR THE PREPARATION OF POLYETHER POLYOLS

#19 | 2014-03-06

US20140066535A1

Chemistry; metallurgy

METHOD FOR PRODUCING FLEXIBLE POLYURETHANE FOAM MATERIALS

#20 | 2013-12-26

US20130345330A1

Chemistry; metallurgy

METHOD FOR PRODUCING FLEXIBLE POLYURETHANE FOAMS

#21 | 2013-10-03

US20130261205A1

Chemistry; metallurgy

Process for the preparation of polyricinoleic acid ester polyols having primary hydroxyl end groups

#22 | 2012-05-17

US20120123008A1

Chemistry; metallurgy

Process for the preparation of a polyurethane polymer with secondary hydroxyl end groups comprising polyester polyols

#23 | 2012-05-10

US20120116114A1

Chemistry; metallurgy

Process for producing polyester polyols having secondary OH end groups

#24 | 2012-05-03

US20120108690A1

Chemistry; metallurgy

METHOD FOR PRODUCING FLAME-RETARDANT POLYURETHANE FOAM MATERIALS HAVING GOOD LONG-TERM USE PROPERTIES

#25 | 2010-12-02

US20100305228A1

Chemistry; metallurgy

PROCESS FOR PRODUCTION OF FLEXIBLE POLYURETHANE FOAMS WITH LOW EMISSION

#26 | 2009-10-22

US20090264547A1

Chemistry; metallurgy

Visco-elastic polyurethane foam with castor oil

#27 | 2008-08-28

US20080207791A1

Chemistry; metallurgy

Process for producing polyurethane flexible foamed materials having low bulk density

#28 | 2008-07-10

US20080167394A1

Chemistry; metallurgy

Process for the preparation of PIPA polyols for the production of highly elastic flexible polyurethane foams

#29 | 2007-10-11

US20070238796A1

Chemistry; metallurgy

Process for the preparation of PIPA polyols

#30 | 2007-07-26

US20070172590A1

Chemistry; metallurgy

Ballast and process for the production of ballast

InventorID:

469115 ⎘